1939-45 event
I believe the answer is:
war
(Other definitions for war that I've seen before include "State of armed conflict" , "Major conflict" , "Large-scale conflict" , "Sustained conflict" , "Battle" .)
I believe the answer is:
war
(Other definitions for war that I've seen before include "State of armed conflict" , "Major conflict" , "Large-scale conflict" , "Sustained conflict" , "Battle" .)